This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 6 |
| 8 | 9 |
| 9 | 12 |
| 10 | 17 |
| 11 | 22 |
| 12 | 30 |
| 13 | 39 |
| 14 | 50 |
| 15 | 65 |
| 16 | 83 |
| 17 | 105 |
| 18 | 131 |
| 19 | 167 |
| 20 | 207 |
| 21 | 257 |
| 22 | 317 |
| 23 | 391 |
| 24 | 478 |
| 25 | 585 |
| 26 | 708 |
| 27 | 864 |
| 28 | 1037 |
| 29 | 1252 |
| 30 | 1498 |